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Question
A new drug apparently increases short-term memory. Students were divided randomly into two groups at the beginning of the semester. One group was given the memory pill once a day for the semester, and the other group was given a same-looking pill, but it was just sugar. The sugar pill is termed a(n) __________.
A. controlled pill
B. placebo
C. treatment pill
D. variable
E. effective dose
Answer
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Related questions
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Which of the following is the most common spinal curvature deformity?
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The mastoid process cannot be palpated on a living person.
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Which muscle(s) of respiration is(are) innervated by the phrenic nerve?
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Q:
The ________ originates on the zygomatic arch and inserts on the angle of the mandible.
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Q:
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Q:
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Q:
When you hold out your hands with the palms up, __________ your wrists will tip your palms toward you.
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Q:
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Q:
As you are lifting a box, someone places extra weight on top of it. For your muscle to continue contracting and lifting the box, the muscle must __________.
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B. lower its threshold
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Q:
The triads of a muscle fiber consist of __________.
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Which of the following would be caused by a contraction of smooth muscle?
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Q:
An Olympic sprinter readies for a race. After the sound of the starting gun, he propels himself forward from the starting block and immediately grimaces in pain, grabbing for the back of his thigh. Within 48 hours he begins noticing extensive bruising on the back of his thigh extending into the back of the knee. He now has difficulty rising from a seated position and flexing his knee. Bending at the waist generates more pain. Which muscle is likely injured?
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Q:
A male sustains a crushing injury to his foot. After weeks of care, he begins to notice that he cannot bend the little toe on his right foot. Which of he following would be a logical diagnosis? A. Atrophy of the flexor hallucis brevis
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